Home / 56,071.80-84,115.44-20,528.46

Finding the Fourth Proportional to 56,071.80, 84,115.44 and 20,528.46

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Solution

The fourth proportional to 56,071.80, 84,115.44 and 20,528.46 is: 30,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,071.80 : 84,115.44 = 20,528.46 : x
  2. Step 2: Convert to fraction form
    56,071.80/84,115.44 = 20,528.46/x
  3. Step 3: Cross multiply
    56,071.80x = 84,115.44 × 20,528.46
  4. Step 4: Simplify right side
    56,071.80x = 1,726,760,445.42
  5. Step 5: Solve for x
    x = 1,726,760,445.42/56,071.80
  6. Step 6: Final answer
    x = 30,795.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.